commands.h

   1 /* Definition of data structures describing shell commands for GNU Make.
   2 Copyright (C) 1988-2012 Free Software Foundation, Inc.
   3 This file is part of GNU Make.
   4
   5 GNU Make is free software; you can redistribute it and/or modify it under the
   6 terms of the GNU General Public License as published by the Free Software
   7 Foundation; either version 3 of the License, or (at your option) any later
   8 version.
   9
  10 GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
  11 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  12 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License along with
  15 this program.  If not, see <http://www.gnu.org/licenses/>.  */
  16
  17 /* Structure that gives the commands to make a file
  18    and information about where these commands came from.  */
  19
  20 struct commands
  21   {
  22     struct floc fileinfo;       /* Where commands were defined.  */
  23     char *commands;             /* Commands text.  */
  24     char **command_lines;       /* Commands chopped up into lines.  */
  25     char *lines_flags;          /* One set of flag bits for each line.  */
  26     unsigned short ncommand_lines;/* Number of command lines.  */
  27     char recipe_prefix;         /* Recipe prefix for this command set.  */
  28     unsigned int any_recurse:1; /* Nonzero if any 'lines_flags' elt has */
  29                                 /* the COMMANDS_RECURSE bit set.  */
  30   };
  31
  32 /* Bits in 'lines_flags'.  */
  33 #define COMMANDS_RECURSE        1 /* Recurses: + or $(MAKE).  */
  34 #define COMMANDS_SILENT         2 /* Silent: @.  */
  35 #define COMMANDS_NOERROR        4 /* No errors: -.  */
  36
  37 void execute_file_commands (struct file *file);
  38 void print_commands (const struct commands *cmds);
  39 void delete_child_targets (struct child *child);
  40 void chop_commands (struct commands *cmds);
  41 void set_file_variables (struct file *file);